Base | Representation |
---|---|
bin | 110111101100010… |
… | …0001100101100111 |
3 | 11211020021210111101 |
4 | 1233120201211213 |
5 | 12311341400012 |
6 | 505232420531 |
7 | 64210454656 |
oct | 15730414547 |
9 | 4736253441 |
10 | 1868700007 |
11 | 879917a79 |
12 | 4419a7747 |
13 | 23a1c4c65 |
14 | 13a27b19d |
15 | ae0c8d57 |
hex | 6f621967 |
1868700007 has 2 divisors, whose sum is σ = 1868700008. Its totient is φ = 1868700006.
The previous prime is 1868699983. The next prime is 1868700037. The reversal of 1868700007 is 7000078681.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1868700007 - 215 = 1868667239 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1868700037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 934350003 + 934350004.
It is an arithmetic number, because the mean of its divisors is an integer number (934350004).
Almost surely, 21868700007 is an apocalyptic number.
1868700007 is a deficient number, since it is larger than the sum of its proper divisors (1).
1868700007 is an equidigital number, since it uses as much as digits as its factorization.
1868700007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18816, while the sum is 37.
The square root of 1868700007 is about 43228.4629266413. The cubic root of 1868700007 is about 1231.7234102395.
Adding to 1868700007 its reverse (7000078681), we get a palindrome (8868778688).
The spelling of 1868700007 in words is "one billion, eight hundred sixty-eight million, seven hundred thousand, seven".
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